.app {
  position: relative; }
  .app .nav {
    z-index: 999;
    position: fixed;
    top: 0;
    width: 100%;
    background: #fff; }
    .app .nav > div {
      width: 1194px;
      margin: 0 auto;
      height: 55px; }
      .app .nav > div > div {
        vertical-align: middle;
        height: 55px;
        display: inline-block; }
        .app .nav > div > div > img:first-child {
          padding-top: 9px;
          width: 36px;
          height: 36px;
          vertical-align: middle; }
        .app .nav > div > div > img + img {
          vertical-align: middle;
          padding-top: 5px;
          margin-left: 15px;
          width: 112px;
          height: 22px; }
        .app .nav > div > div .btn1 {
          margin-top: 9px;
          font-size: 14px;
          padding: 9px 22px;
          font-weight: 700; }
        .app .nav > div > div .publish-btn {
          margin-right: 35px;
          padding: 8px;
          display: inline-block;
          box-sizing: border-box;
          width: 30px;
          height: 30px;
          margin-top: 13px; }
          .app .nav > div > div .publish-btn .publish-icon {
            width: 14px;
            height: 14px;
            margin-right: 5px;
            position: relative;
            top: -1px; }
        .app .nav > div > div .search {
          width: 208px;
          height: 36px;
          line-height: 36px;
          margin-top: 10px;
          background-color: #f5f5f5;
          margin-right: 35px;
          position: relative;
          border-radius: 2px; }
          .app .nav > div > div .search .search-input {
            margin-left: 10px;
            background-color: #f5f5f5;
            border: none;
            outline: 0;
            font-size: 14px; }
          .app .nav > div > div .search .search-icon {
            display: inline-block;
            width: 18px;
            height: 18px;
            position: absolute;
            top: 8px;
            right: 12px;
            cursor: pointer;
            background-size: 100%;
            background-image: url("https://dig.chouti.com/images/search-7acb7b9349.png"); }
      .app .nav > div ul {
        width: 570px;
        margin-left: 10px;
        display: inline-block; }
        .app .nav > div ul li {
          display: inline-block; }
          .app .nav > div ul li a.navLink {
            display: block;
            box-sizing: border-box;
            height: 55px;
            font-size: 14px;
            color: #4b4c4d;
            margin-left: 28px;
            padding: 17px 11px;
            border: solid 2px #fff;
            font-weight: 700;
            font-size: 14px; }
            .app .nav > div ul li a.navLink span {
              cursor: pointer; }
            .app .nav > div ul li a.navLink span.trangle-icon {
              display: inline-block;
              width: 10px;
              height: 5px;
              position: relative;
              top: -3px;
              margin-left: 5px;
              background-size: 100%;
              background-image: url("https://dig.chouti.com/images/triangle-33457d21ce.png"); }
            .app .nav > div ul li a.navLink.active {
              border-bottom: solid 3px #f8aa00; }
          .app .nav > div ul li a.navLink span:hover {
            color: #f8aa00; }
          .app .nav > div ul li a.navLink span:hover + .trangle-icon {
            background-image: url("https://dig.chouti.com/images/trangle_hover-d5066399d5.png"); }
